99389 ÷ 8 = 12423 R5
Sure thing! Let's divide 99389 by 8 together.

Step 1:
8 goes into 9 1 times with a remainder of 1.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 8 from 9 to get 1.
Bring next digit (9) of the dividend behind the 1 and repeat the process: 19 / 8

Step 2:
8 goes into 19 2 times with a remainder of 3.
Write down 2 as next digit of of the result. 
Result so far: 12
Subtract 16 from 19 to get 3.
Bring next digit (3) of the dividend behind the 3 and repeat the process: 33 / 8

Step 3:
8 goes into 33 4 times with a remainder of 1.
Write down 4 as next digit of of the result. 
Result so far: 124
Subtract 32 from 33 to get 1.
Bring next digit (8) of the dividend behind the 1 and repeat the process: 18 / 8

Step 4:
8 goes into 18 2 times with a remainder of 2.
Write down 2 as next digit of of the result. 
Result so far: 1242
Subtract 16 from 18 to get 2.
Bring next digit (9) of the dividend behind the 2 and repeat the process: 29 / 8

Step 5:
8 goes into 29 3 times with a remainder of 5.
Write down 3 as next digit of of the result. 
Result so far: 12423
Subtract 24 from 29 to get 5.

The final result is 12423 with a remainder of 5.